Adventure time. Come on, grab your friends. We'll go to very distant lands with Fionna and Jake, and Y/N too. The fun will never end. It's adventure time. Disclaimer: I do not own Spider-Man or Adventure Time. Feel free to point out any mistakes I've made, constructive criticism is welcome.

Just a doctor living near the outskirts of Ooo

Underneath the night sky, Marceline Abadeer was enjoying the moment with her best friend Finn. Both of them had very radical adventures together, but this night was all to relax in each other's presence. Yet all she could think of was of the slight turmoil in her heart. Would she be able to process everything and tell Finn her real feelings?